/*

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package parser

import (
	"errors"
	"fmt"
)

var (
	// ErrTrailingSeparator indicates a parsing error due to an illegal trailing separator.
	ErrTrailingSeparator = errors.New("trailing separators are forbidden")
	// ErrUnexpectedToken indicates a parsing error due to an unexpected token.
	ErrUnexpectedToken = errors.New("unexpected token")
	// ErrInvalidInteger indicates a parsing error due to an invalid integer, such as integer overflow.
	ErrInvalidInteger = invalidIntegerError{}
)

type invalidIntegerError struct {
	s string
}

func (e invalidIntegerError) Error() string {
	return fmt.Sprintf("invalid integer: %s", e.s)
}

func (e invalidIntegerError) Is(target error) bool {
	return errors.As(target, &invalidIntegerError{})
}
